The Valve,check, cataloged under National Stock Number 4820-01-458-4635, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Cummins Inc. (CAGE 15434); Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc (CAGE 69502) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-458-4635 |
| Primary Part Number | CD246 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-458-4635 is a Valve,check, manufactured by Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-458-4635 has 2 manufacturer part numbers on file: CD246 (Cummins Inc.), CD246 (Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.